package com.tedu.day04mybatis.mapper;

import com.tedu.day04mybatis.pojo.Weibo;
import org.apache.ibatis.annotations.*;

import java.util.List;

@Mapper
public interface WeiboMapper {
    @Insert("INSERT INTO weibo(content,created,user_id) VALUES (#{content},#{created},#{userId})")
    int insert(Weibo weibo);
    @Delete("DELETE FROM weibo WHERE id=#{id}")
    int deleteByid(Integer id);

    @Delete("DELETE FROM student WHERE name=#{name}")
    int deleteByStuName(String name);
    @Update("UPDATE weibo SET content=#{content},created=#{created},user_id=#{userId} WHERE id=#{id}")
    int updateById(Weibo id);

    @Select("SELECT id,content,created,user_id userId FROM weibo WHERE id=#{id}")
    Weibo findById(Integer id);

    @Select("SELECT id,content,created,user_id userId FROM weibo")
    List<Weibo> finAll();

}
